F-1317 装着型複数センサを用いた歩行距離の推定(S50-1 生物医学工学における計測と制御(1))(S50 生物医学工学における計測と制御)

概要

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This paper describes a new method of estimation of walking distance. Walking velocity is derived by the integration of horizontal and vertical acceleration which is measured by a sensor system attached to subject's instep. The sensor system consists of a three dimensional accelerometer, three ceramic gyros and a terrestrial magnetic field sensor. Walking distance is calculated by integration of the walking velocity considering three dimensional foot movement. Experiments are performed with normal level walking and ascending/descending the stairs. Experimental results show that the average error of the horizontal distance estimation is 1.2 %, and the vertical distance estimation is 3.87 % for ascending and 18.23 % for descending. The method is useful not only for the evaluation of phisical activities but also for position monitoring.
一般社団法人日本機械学会の論文
2001-08-22